The 7th Colloquium of the AssIDMer will take place the 20 and 21 september 2018 in Lisbon, Portugal. The event is organized by the University of Lisbon, the University of Porto and the University of Tromsø. The theme is The Global Challenges and the Law of the Sea. The call for papers may be found here. It is dividided in three sessions: (I) the role of the International Organizations in the implementation and development of the Law of the Sea, (II) superpowers, international courts and the Law of the Sea: challenges for the global oceans regime and (III) the protection and conservation of the areas beyond national jurisdiction: where do we stand. The deadline for the submission of draft papers is 30 April 2018. The provisional program is already available here.